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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 10:02:45 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 10:02:45 -0700 |
| commit | d9b9be024a6628a01d8730d1fd0b5f25658a2794 (patch) | |
| tree | 9f8e606f975f6dff4213747e85fedaccd148eb60 /include | |
| parent | Merge branch 'for-linus' of git://git.open-osd.org/linux-open-osd (diff) | |
| parent | dm: set queue ordered mode (diff) | |
| download | linux-dev-d9b9be024a6628a01d8730d1fd0b5f25658a2794.tar.xz linux-dev-d9b9be024a6628a01d8730d1fd0b5f25658a2794.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (36 commits)
dm: set queue ordered mode
dm: move wait queue declaration
dm: merge pushback and deferred bio lists
dm: allow uninterruptible wait for pending io
dm: merge __flush_deferred_io into caller
dm: move bio_io_error into __split_and_process_bio
dm: rename __split_bio
dm: remove unnecessary struct dm_wq_req
dm: remove unnecessary work queue context field
dm: remove unnecessary work queue type field
dm: bio list add bio_list_add_head
dm snapshot: persistent fix dtr cleanup
dm snapshot: move status to exception store
dm snapshot: move ctr parsing to exception store
dm snapshot: use DMEMIT macro for status
dm snapshot: remove dm_snap header
dm snapshot: remove dm_snap header use
dm exception store: move cow pointer
dm exception store: move chunk_fields
dm exception store: move dm_target pointer
...
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/device-mapper.h | 3 | ||||
| -rw-r--r-- | include/linux/dm-dirty-log.h | 13 |
2 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 8209e08969f9..66ec05a57955 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -139,6 +139,9 @@ struct target_type { dm_ioctl_fn ioctl; dm_merge_fn merge; dm_busy_fn busy; + + /* For internal device-mapper use. */ + struct list_head list; }; struct io_restrictions { diff --git a/include/linux/dm-dirty-log.h b/include/linux/dm-dirty-log.h index 600c5fb2daad..5e8b11d88f6f 100644 --- a/include/linux/dm-dirty-log.h +++ b/include/linux/dm-dirty-log.h @@ -28,6 +28,9 @@ struct dm_dirty_log_type { const char *name; struct module *module; + /* For internal device-mapper use */ + struct list_head list; + int (*ctr)(struct dm_dirty_log *log, struct dm_target *ti, unsigned argc, char **argv); void (*dtr)(struct dm_dirty_log *log); @@ -113,6 +116,16 @@ struct dm_dirty_log_type { */ int (*status)(struct dm_dirty_log *log, status_type_t status_type, char *result, unsigned maxlen); + + /* + * is_remote_recovering is necessary for cluster mirroring. It provides + * a way to detect recovery on another node, so we aren't writing + * concurrently. This function is likely to block (when a cluster log + * is used). + * + * Returns: 0, 1 + */ + int (*is_remote_recovering)(struct dm_dirty_log *log, region_t region); }; int dm_dirty_log_type_register(struct dm_dirty_log_type *type); |